Fizzy Mizzy® Sweetspire

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SEE HOW YOUR TREE ARRIVES

Fizzy Mizzy® Sweetspire is a compact native shrub that stands out with its upright spikes of fragrant white flowers rather than the arching blooms typical of other sweetspires. Blooming in early summer, it attracts butterflies and bees while maintaining a neat, rounded habit throughout the season. As temperatures cool, the dark green foliage transforms into brilliant shades of crimson, scarlet, and purple, providing exceptional fall color. Its adaptability to both sun and shade makes it one of the most versatile flowering shrubs for today's landscapes.

Botanical name: Itea virginica 'SMNIVMM'
Bloom time: Early summer
Deciduous
Grown in the USA

SUNLIGHT
Thrives in full sun to full shade.

WATER
Water deeply when the top 2–3 inches of soil begin to dry. During establishment, this is typically once or twice per week. Once established, water during prolonged dry periods. Watering frequency varies depending on climate, soil type, rainfall, and establishment phase.

IDEAL CLIMATE
Hardy in USDA Zones 5–9. Fizzy Mizzy thrives in a wide variety of climates and is an excellent choice for woodland gardens, foundation plantings, borders, mass plantings, rain gardens, and containers.

PLANT DESCRIPTION & MATURE SIZE

The Fizzy Mizzy® Sweetspire, scientifically known as Itea virginica 'SMNIVMM', is a compact native flowering shrub prized for its unique upright spikes of fragrant white flowers, outstanding shade tolerance, and brilliant fall color. Blooming in early summer, its lightly fragrant flowers attract butterflies and bees while its tidy, rounded habit fits beautifully into landscapes of any size. As autumn arrives, the deep green foliage transforms into stunning shades of crimson, scarlet, and purple, providing months of seasonal interest.

GROWTH RATE & MATURE SIZE:

Moderate-growing deciduous shrub. Typically reaches approximately 2–3 feet tall and 2–3 feet wide at maturity.

WATERING & SUNLIGHT

Water deeply when the top 2–3 inches of soil begin to dry. During establishment, this is typically once or twice per week, keeping the soil evenly moist but not soggy. Once established, Sweetspire is moderately drought tolerant but performs best with consistent moisture. Watering frequency will vary depending on climate, soil type, rainfall, sunlight exposure, and establishment phase.

Fizzy Mizzy Sweetspire performs well in full sun, part sun, part shade, or full shade. While it flowers well even in shade, plants grown with a few hours of sunlight each day typically produce the heaviest bloom display and best fall color.

PLANT CARE & PLANTING INSTRUCTIONS

PRUNING
Prune only if needed immediately after flowering. Fizzy Mizzy blooms on old wood, so pruning later in the season may remove next year's flower buds. Little pruning is generally needed thanks to its naturally tidy, compact habit.

FERTILIZING
Apply a balanced slow-release fertilizer in early spring if desired. Avoid fertilizing for the first 2–3 months after delivery to allow the plant to adjust and establish.

WINTER PROTECTION
Fizzy Mizzy Sweetspire is cold hardy throughout its growing range. Apply mulch around the base during the first winter to help conserve moisture and protect the roots.

PLANTING INSTRUCTIONS:

Plant Fizzy Mizzy Sweetspire in full sun to full shade with well-draining soil. Dig a hole approximately twice as wide as the rootball and no deeper than the rootball itself. Position the plant level with or slightly above the surrounding soil, backfill with native soil, water thoroughly, and apply a 2–3 inch layer of mulch while keeping it several inches away from the stems.

USDA GROW ZONE:

Zones 5-9

Fizzy Mizzy Sweetspire thrives across a wide range of climates and is one of the most shade-tolerant flowering shrubs available. It performs well in full sun to full shade and adapts to average or consistently moist soils, even tolerating wet planting sites once established.

Important: USDA Hardiness Zones only measure a plant's cold tolerance. They do not account for heat tolerance, humidity, rainfall, or other climate factors. Always consider your local growing conditions in addition to your USDA Zone when selecting plants.

Frequently Asked Questions

How big does Fizzy Mizzy Sweetspire get?

Fizzy Mizzy Sweetspire typically grows 2–3 feet tall and 2–3 feet wide, making it an excellent choice for foundation plantings, borders, containers, and smaller landscapes.

How fast does Fizzy Mizzy Sweetspire grow?

Fizzy Mizzy is a moderate-growing shrub that typically grows approximately 12–24 inches per year under favorable growing conditions until it reaches its mature size.

Where is the best place to plant Fizzy Mizzy Sweetspire?

Plant Fizzy Mizzy in full sun to full shade with well-draining soil. It's an excellent choice for woodland gardens, foundation plantings, borders, rain gardens, mass plantings, and areas with challenging shade.

How far apart should I plant Fizzy Mizzy Sweetspire?

Plant Fizzy Mizzy Sweetspire approximately 2–3 feet apart on center to allow room for its mature size and create a full, attractive planting.

When does Fizzy Mizzy Sweetspire bloom?

Fizzy Mizzy blooms in early summer, producing abundant upright spikes of lightly fragrant white flowers that attract butterflies and bees. Proven Winners

Does Fizzy Mizzy Sweetspire have good fall color?

Yes. In fall, the dark green foliage transforms into vibrant shades of crimson, scarlet, and purple, making it one of the most colorful native shrubs for autumn landscapes.

Is Fizzy Mizzy Sweetspire a good shrub for foundation plantings?

Absolutely. Growing just 2–3 feet tall and wide, Fizzy Mizzy Sweetspire is an excellent choice for foundation plantings. Its naturally compact habit, long-lasting seasonal interest, and ability to thrive in both sun and shade make it an easy, low-maintenance shrub for planting around the home.

Does Fizzy Mizzy Sweetspire bloom on old or new wood?

Fizzy Mizzy blooms on old wood, meaning next year's flower buds develop on the previous season's growth. If pruning is needed, do so immediately after flowering to preserve next year's blooms.

Can Fizzy Mizzy Sweetspire grow in wet soil?

Yes. Fizzy Mizzy tolerates consistently moist soil and even performs well in rain gardens or other areas that remain wetter than average, provided the site is not permanently flooded. Proven Winners

Does Fizzy Mizzy Sweetspire grow in shade?

Yes. Fizzy Mizzy is one of the most shade-tolerant flowering shrubs available. It grows well in everything from full sun to full shade and continues to flower even in areas where many other flowering shrubs struggle. Proven Winners

More Details

*SHIPPING DETAILS

We process and ship your order as quickly as possible, typically within 1-3 business days. You will receive a shipping confirmation with tracking information once your item(s) ship.

We have perfected packaging and shipping plants & trees! That is why we DO NOT use any third-party fulfillment like most other online retailers. Your trees go straight from our farm to your door, safely packaged by our team of seasoned professionals. Our process ensures your plants leave our facility and arrive to your door in the best condition possible!

In cases of extreme cold or hot weather, we may temporarily delay shipping to ensure the well-being of your plants. Our primary focus is on delivering healthy and thriving plants to you. Rest assured, we'll make every effort to notify you of any delays promptly.

Please allow additional ship times during inclement weather and sale periods. We do not process or ship orders on the weekend or U.S. Holidays. Simply Trees is not responsible for delays due to carriers, local disruptions, or weather.

See how we pack your plants!

Learn more about our Shipping Policy

1 YEAR GUARANTEE

At Simply Trees, we're committed to your satisfaction. If your plants arrive considerably damaged or sustained damage beyond the point of recovery, please contact us within five days at sales@simplytrees.com with clear photos of the entire plant in question for assistance. Our 1 year guarantee covers issues after planting, subject to our terms. We can't cover plants in the wrong climate or with inadequate care, but we're here to help in other situations. For a detailed understanding of our 1 year guarantee and how we ensure a fair process, click here to learn more.

SHIPPING TO CALIFORNIA? HERE'S WHAT TO KNOW

All California orders require a mandatory inspection by the Texas Department of Agriculture (yep, it’s a USDA thing!). These inspections happen about once a week—typically on Tuesdays, though the day can vary. If you place an order just after an inspection, your plant may not ship for several days until the next one. Unfortunately, we’re not able to expedite this part of the process.

Also, due to USDA regulations, we’re unable to ship oak trees, citrus or fruit trees (except olive trees) to California. This rule helps prevent the spread of pests and diseases and applies to nurseries across the country.

Thanks for your patience—we’ll make sure it’s worth the wait.

What's inside?

Your order from Simply Trees is more than just a box of plants—it’s a carefully curated experience. Here’s what’s inside:

We hand-select our plants for premium-quality from top growers nationwide
Each plant is then cleaned, prepped, and pruned to remove any blemishes and encourage new growth
Expertly treated and inspected for preventative measure
The pot is wrapped in a durable plastic bag and secured with a zip tie; house plants get extra protection with a recyclable nursery bag. Some Jumbo plants may be carefully removed from their nursery pot and burlapped to protect the rootball and ensure safe transit.
Your plant is strapped into our durable double-pane boxes, secured in place with a heavy-duty zip tie to ensure safe transit
A thank you card with a QR code leads to our guide on welcoming your new plants home

We take pride in making sure every detail is just right, so you can enjoy your new greenery from the moment it arrives.

SUSTAINABLE SHIPPING, QUALITY CARE

We've perfected the art of packaging and shipping plants and trees! Unlike most online retailers, we handle everything in-house—no third-party fulfillment. Our experienced team carefully packages your plants to ensure they arrive from our farm to your door in perfect condition.